Getting very high CPU-load with new acpi

Getting very high CPU-load with new acpi

[Hanno Böck]

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I own a fujitsu-siemens lifebook C6155.
With several linux-kernels containing the new acpi (2.5.x, 2.4.21+patch,
2.4.21-ac1), I get very high CPU-load every few seconds. It's even
impossible to listen mp3s.
top shows me that it's the process events on 2.5-kernels and keventd on
2.4-kernels. This does not happen with 2.4.21-vanilla (without
acpi-patch, but with acpi enabled and working).
So the bug seems to be in the new acpi-system.

dmesg-output, lspci-output, dsdt and other information is available
through
http://bugzilla.kernel.org/show_bug.cgi?id=843

-- 
Hanno Böck - hanno-Mmb7MZpHnFY@public.gmane.org

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Re: Getting very high CPU-load with new acpi

[Maier Gerfried]

Hanno Böck wrote:

> I own a fujitsu-siemens lifebook C6155.
> With several linux-kernels containing the new acpi (2.5.x, 2.4.21+patch,
> 2.4.21-ac1), I get very high CPU-load every few seconds. It's even
> impossible to listen mp3s. [...]

In older releases of acpi (somewhere around 2.4.21-pre3) polling the
battery-state caused really high cpu-loads, making the machine freeze for a
little while.

May be that this problem is still there?

moali



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